Improve: Embed Modern Terminal DLL in master's resources

Fix: keep Linux/macOS client alive across server restarts; gate all commands on auth-verified state to neutralize unauthorized servers

client/IOCPClient.h

@@ -281,6 +281,11 @@ public:
     // 内部：在收到的数据帧分发到 manager 之前，尝试识别并消费 TOKEN_CONN_AUTH ack。
     // 仅在我们正在等待 auth 响应时（m_authPending=true）才消费；否则透传给 manager。
     bool TryHandleAuthResponse(PBYTE buf, ULONG len);
+
+    // 主动断开当前连接，关闭 socket。提到 public 让外层（如 Linux/macOS main 的心跳
+    // 循环检测到服务端身份校验超时）能在重连前显式关闭旧 fd，避免泄漏。
+    virtual VOID Disconnect(); // 函数支持 TCP/UDP
+
 protected:
     virtual int ReceiveData(char* buffer, int bufSize, int flags)
     {
@@ -288,7 +293,6 @@ protected:
         return recv(m_sClientSocket, buffer, bufSize - 1, 0);
     }
     virtual bool ProcessRecvData(CBuffer* m_CompressedBuffer, char* szBuffer, int len, int flag);
-    virtual VOID Disconnect(); // 函数支持 TCP/UDP
     virtual int SendTo(const char* buf, int len, int flags)
     {
         return ::send(m_sClientSocket, buf, len, flags);